hashicorp/nomad · Security
HashiCorp Nomad vulnerable to symlink attack
- GHSA ID
- GHSA-3934-423w-4jq3
- CVE ID
- CVE-2026-6959
- Severity
- medium
- Published
- Updated
- CVSS
- 6 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
- CVSS v3
- 6 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Description
HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-6959) is fixed in Nomad 2.0.1, 1.11.5 and 1.10.11.
CWEs
- CWE-59 · Improper Link Resolution Before File Access ('Link Following')
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-6959 ↗
- https://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416 ↗
- https://github.com/hashicorp/nomad/commit/2a09fd62c23880ff306499ae03fe64628d82a23f ↗
- https://github.com/hashicorp/nomad/releases/tag/v2.0.1 ↗
- https://github.com/advisories/GHSA-3934-423w-4jq3 ↗